Effect of implant thread design on biological stability based on resonance frequency analysis

Agrippina Maria Winardi, Ratna Sari Dewi, Lia Kartika Wulansari

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1 Citation (Scopus)


Biological stability greatly influences osseointegration, which ultimately affects the success of implant treatment. Though implant thread design is one important factor influencing implant stability, not many studies have analyzed its impact on biological stability. This experimental study involving 44 implants evaluated the biological stability of threaded implants with cylindrical (bone-level; BL) and tapered (bone-level tapered; BLT) designs. Implant stability was evaluated for each implant at 3 time parameters using resonance frequency analysis. A mean implant stability quotient (ISQ) value was calculated for each measurement time. A significant increase in the ISQ value was found at each time parameter consecutively at the time of implant placement one month and 2 months after implant placement in both implant design groups (P < 0.05). No significant difference was noted in ISQ value between the groups at all 3 time parameters (P = 0.05). There was also no significant difference in the ISQ value at all 3 time parameters between implants with diameters of 4.1 mm and 4.8 mm in the BL and BLT implant groups (P = 0.71). The implant thread designs of BL and BLT implants did not affect the biological stability. Other factor such as implant diameter also did not affect the biological stability in either implant group.

Original languageEnglish
Pages (from-to)1065-1070
Number of pages6
JournalJournal of International Dental and Medical Research
Issue number3
Publication statusPublished - 2020


  • Biological stability
  • Dental implant
  • Osseointegration
  • Resonance frequency analysis


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